21380586

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^2\times {\mathrm{9871}}^1$

素因数の和:9914

約数の個数: 24

約数和(自身を含む): 45134784

約数和(自身を除く): 23754198

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 361, 722, 1083, 2166, 9871, 19742, 29613, 59226, 187549, 375098, 562647, 1125294, 3563431, 7126862, 10690293, 21380586]

約数ペア:

[(1, 21380586), (2, 10690293), (3, 7126862), (6, 3563431), (19, 1125294), (38, 562647), (57, 375098), (114, 187549), (361, 59226), (722, 29613), (1083, 19742), (2166, 9871)]